pip install Django -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install numpy -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install  pandas -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install pymysql -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
pip install pillow==9.5.0 -i https://pypi.tuna.tsinghua.edu.cn/simple


pip install channels -i https://pypi.tuna.tsinghua.edu.cn/simple
pip install daphne -i https://pypi.tuna.tsinghua.edu.cn/simple
::如果下载daphne报错，先执行 pip install setuptools==58.0.4
::如果运行项目报错MySQL 8 or later is required，先执行 pip uninstall django，再执行 pip install "django<4.0"